counter.ino

// This #include statement was automatically added by the Spark IDE.
#include "HttpClient/HttpClient.h"

HttpClient http;
#define VARIABLE_ID "544e4sda8f7625426e332b1e8e"//REPLACE HERE WITH YOUR OWN VARIABLE'S ID
#define TOKEN "40RwMVjyvD9H3HOu7p191MsdoqSHg4"//REPLACE HERE WITH YOUR OWN TOKEN

int people = 0;
int tiempo=0;
int presence=0;
// Headers needed by the Ubidots API
http_header_t headers[] = {
      { "Content-Type", "application/json" },
      { "X-Auth-Token" , TOKEN },
    { NULL, NULL } // NOTE: Always terminate headers will NULL
};

http_request_t request;
http_response_t response;

void setup() {
    pinMode(D1, INPUT);
    request.hostname = "things.ubidots.com";
    request.port = 80;
    Serial.begin(9600);
}

void loop() {
    presence=digitalRead(D1);
     Serial.print("presence");
      Serial.println(presence);
    if(presence)
    {   
        people=people+1;
        do{
            presence=digitalRead(D1);
        }while(presence);// wait until  motion sensor sends a  "0"
        //delay(2000);
    }
    tiempo=tiempo+1;
    delay(1000);
    if(tiempo==10)//every ten seconds the count is sent to Ubidots
    {
         Serial.println(people);
         request.path = "/api/v1.6/variables/"VARIABLE_ID"/values";
         request.body = "{\"value\":" + String(people) + "}";
         http.post(request, response, headers);// Post request to send the value of the counter
         
         Serial.println(response.status);
         Serial.println(response.body);
    }
}